中材科技涨停，新能源ETF基金（516850）上涨1.2%，反内卷“权重含量高达45.18%

Group 1 - The A-share market saw a positive trend with over 4100 stocks rising, indicating a strong market performance [1] - The recent initiative by the China Machinery Industry Federation to combat unfair competition in the photovoltaic industry has led to a price recovery across the entire supply chain, with increases of approximately 20%-30% [1] - The "anti-involution" policy has been elevated to a national strategic level, with the photovoltaic sector being a key focus due to its issues of homogeneous low-price competition and excess capacity [1] Group 2 - The New Energy ETF Fund (516850) and its linked funds (017571/017572) are focused on the new energy sector, particularly in batteries, photovoltaics, and electricity, with a high weight of 45.18% in the "anti-involution" index [2]